gypsum wall board is fire resistant because:

This gypsum is used to develop fire-resistant drywall. Home Gypsum Gypsum board is one of the best fire-resistant structural materials and is also known as drywall. LightRoc gypsum wallboard is lighter in weight than traditional 1/2" drywall and is designed for use in wall and ceiling applications spaced no more than 24"o/c. The face paper is folded around the long edges to reinforce and protect the core, and the ends are square-cut and finished smooth. Fire rated gypsum drywall is more fire resistant because it contains glass fiber reinforcement and other additives within its specially formulated gypsum core to help it hold up longer to a fire exposure. This time will go to complete destruction of the leaf when exposed to a flame. Elephant Gypsum Board Equipped with fire-resistant capability, Elephant Gypsum Board is designed to provide the resistance to fire for 1/2 - 4 hours and block the flame from spreading to the attached room. These lightweight panels can help projects meet fire code specifications while providing durability and sustainability for interior wall and ceiling applications. This parameter is 45 minutes. Elephant Gypsum Board could be used as both Wall and Ceiling without the need for beam installation. The cost difference. 5/8" type X wallboard is required to be manufactured in accordance with established ASTM standards defining type X wallboard as that which provides not less than one -hour fire resistance when tested in specified building assemblies/systems in a laboratory setting under certain controlled conditions and pursuant to certain ASTM procedures. Expect to pay around $11 for a 5/8-in.-thick 4-ft. by 8-ft. type-X sheet and $12 for a sheet of type C with the same dimensions. Exterior Gypsum Board. Although all gypsum board are fire resistant in nature, it has no special additives that makes it more impervious to fire. Consult with gypsum manufacturer for specific recommendations. They Provide fire resistance ranging from 30 Minutes to 240 Minutes when installed on Walls, Partitions, False Ceiling, Shaftwalls, Beams and Column Encasement systems. Type X fire rated gypsum drywall that is 5/8 -inch (15.9mm) thick and installed on each side of nominal 2-inch x 4-inch (38x89mm) wood studs spaced 16-inch (400mm) o.c. The face paper is folded around the long edges to reinforce and protect the core, and the ends are square-cut and finished smooth. Unless the system is being used as a sound or smoke barrier, or as part of a seismic- or wind-resisting system, you pretty much can cut the hole, run the penetrating element, seal around the hole with some joint treatment, and walk away. Staples are used because they are economical and can be quickly applied with staple guns; however, the use of staples should be limited to the base-layer in multi-layer systems or to gypsum . Other components could include. Occasionally, for wood framed buildings, drywall is installed with special drywall nails instead of screws; however, this is becoming less common. Fire-Resistant Drywall Panels USG provides builders, architects, and project managers with fire-resistant gypsum panels under the Sheetrock and Fiberock Brands. This principle of using a gypsum membrane for fire resistance relies on the concept of the "finish rating." The above example is only. The product - National Gypsum's fire-resistant drywall Type FSW-1 is a fire-resistant gypsum board or drywall - most likely described by the document from National Gypsum that you can read at GOLD BOND BRAND FIRE SHIELD GYPSUM BOARD [PDF] As you will read there, those modern National Gypsum Drywall products do not contain asbestos. Gypsum board, also known as drywall, consists of a layer of gypsum sandwiched between two sheets of paper. Specific methods for calculating the fire-resistance of a wood assembly that is clad with gypsum board are written into Section 721.6 of the IBC along with language that provides direction on calculating the fire-resistance of exposed wood members-specifically timber beams and columns with a 6-inch minimum nominal dimension. Type X gypsum board is specially treated with additives to further improve its fire-resistive qualities. Moisture-Resistant Gypsum Board, Drywall | ToughRock FG X Mold Guard 01 02 03 5 8" (15.9 mm) Classified Type X (as defined in ASTM C1396 and UL) Moisture and mold-resistant treated facings 1 Moisture-resistant 1 treated, non-combustible core (when tested in accordance with ASTM E136) Home Gypsum ToughRock Fireguard X Mold-Guard Gypsum Board LightRoc is approved to be applied parallel or perpendicular to ceiling framing spaced up to 24" o/c, even when a hand applied or water-based texture is used for decoration. KSh 2,700.00 KSh 2,200.00. Fire resistance of gypsum plasterboards is owed to the gypsum dehydration process. Fiber Cement Board. A typical domestic fire in a full-scale two-storey residential building is simulated. All of its purple (XP) products are mold and mildew resistant - including joint compound. The non-combustible core of the board is chemically mixed with water at a rate of 21%. The gypsum boards are able to effectively retard the transfer of heat and the spread of the fire. o Fire Resistance - Impact-Resistant Gypsum Panels are made with a non-combustible Type X core and are UL-classified for use in any fire-rated assembly where a 5/8" Type X panel is approved. or 3-5/8 inch (610 mm) steel studs spaced 24" o.c. LOW CONDUCTIVITY. The thickness of this drywall is 5/8-inch, including all layers. CFD predictions are clearly affected when gypsum dehydration phenomena are . 1. FireBloc gypsum board can be applied to all areas of household, office, or industrial buildings wherever fireproofing is needed. Most importantly, exterior gypsum boards are used for wall cladding. General gypsum board panels normally come in 4 x 8 feet panels and ranging in 3/8 to 1-inch thickness. Fire resistance board is a Class - 1 Material evaluated and complied with BS 476: Part 4, 6 & 7, EN 13501-1 and ASTM E136. Also, because it is denser than normal gypsum and paper drywall, it takes longer for the fire to degrade it. Commonly called as green boards, moisture resistant gypsum board has green covering . Type X gypsum board has a special core that gives 5/8-inch board a 1-hour fire-resistance rating or 1/2-inch board a 3/4-hour fire-resistance rating, when applied parallel to wood studs at 16 inches on center and tested per ASTM E 119, Standard Test Methods for Fire Tests of Building Construction and Materials. Which type of gypsum board would be considered fire resistant? Nowadays, fire safety requirements are guided by The Building Code of Australia (BCA) which outlines the requirements for fire performance of gypsum walls and ceilings to help ensure the safety of occupants in the event of a fire . Learn about instances in which a fire-rated wall assembly must be sealed. A fire wall can be used in townhouses up to four stories (13.4 m (44 )) tall and with all common floor-ceiling heights. 4 CGC Gypsum Fire Wall Systems Overview Effective fire resistance and sound attenuation are important considerations in townhouse design. Because it's straightforward to install, it's the ideal choice for DIYers. Large wood members have an inherent fire resistance because: the slow burning . Lightweight Fire-Rated Drywall Wallboard, Gypsum Board | ToughRock Lite-Weight 01 02 03 04 Designed for a variety of fire-rated walls and ceilings 1 Lighter in weight - easier to lift, carry and install As easy to finish as ToughRock Fireguard X Gypsum Board 1Consult UL Fire Resistance Directory for assembly information. The fire-resistance rating of loadbearing wall assemblies is typically lower than that of a similarly designed non-loadbearing assembly. Capable of fire resistance rating from 1 to 4 hours. Thus, it is the easiest solution for installation. Most Type X drywall has a one-hour fire rating. Drywall, which makes up 15% of demolition and construction waste, leaches toxins and releases hydrogen sulfide gas in landfills. Type C is an industry phrase to designate enhanced gypsum panels that exceed the requirements for Type X gypsum board in ASTM C1396. Meaning that fire resistant board fits zones where high level of fire protection is needed. Capable of fire resistance rating from 1 to 4 hours. Gold Bond Fire-Shield Gypsum Board panels consist of a fire-resistant gypsum core encased in heavy natural-finish, 100% recycled paper on the face and back sides. The temperature of gypsum does not rise above a . Moisture Resistant Gypsum Board. It is the most commonly used interior finish where fire resistance classifications are . Wall Assembly - The 2 hr fire-rated gypsum board/stud wall assembly shall be constructe. has a minimum fire rating for the assembly of 1 hour, which is a typical requirement for many building codes. Besides, among the alternative products, the exterior board is a A1 class fire resistant and water resistant. Size: 8ft*4ft*12.5mm. Suitable for direct decoration. Virtually ubiquitous in our buildings, gypsum board is widely seen as an innocuous building material. Type X gypsum wallboard, 5/8" in thickness ("5/8" Type X wallboard"), is manufactured for use as one component of an assembly/system (such as a wall) where a fire resistance rating is required in a residential, commercial, or other structure by an applicable building code. Gold Bond Gypsum Board consists of a fire-resistant gypsum core encased in heavy natural-finish, 100% recycled paper on the face and back sides. By any name--drywall, wallboard, or plasterboard--gypsum products may not be as innocent as we once thought. Glass fibers are added to the board to help it slow down the fire. Fire resistance; Gypsum board is an excellent fire-resistive building material. The cost difference between type-X and type-C fire-resistant drywall is small, only a few cents per square foot. If the "average" room is 8 high x 12 wide x 13 long then the average weight allowance for interior partition walls is (12'+13) (7 psf) (8) / (12) (13) 9 psf. FireBloc gypsum board encased with a specially designed compressed pink paper consisting of special fiber components that enhances its strength. A comprehensive guide to fire safety information. Type X gypsum board is defined by ASTM C1396 and generally requires a fire-resistance rating of not less than one hour for 58" thick boards or 45 minutes for " boards. Long edges of the panels are tapered or square. This deflection affects the capacity of the protective wall membranes (gypsum board) to remain in place and contain the fire. Gypsum board (sometimes referred to as plasterboard or drywall) is a commonly used building finish material for walls, ceilings, and partitions, in part due to its inherent fire resistance. Special Property. Answer (1 of 4): National Gypsum makes "purple board " - aka; XP Drywall . The paper on the exterior of the type X gypsum board burns slowly and doesn't contribute to fire spread. Moreover 12.5 and 15 mm are its existing thicknesses. The special fire-resistant properties of gypsum plaster have since been used for centuries for fire protection. SoundBreak XP Retrofit Board is one layer of 5/16" high-density gypsum board with viscoelastic polymer on the back side covered by an additional layer of heavy mold . Fire Resistant Boards FireBloc gypsum board can be applied to all areas of household, office, or industrial buildings wherever fireproofing is needed. Standard of Fire Resistant Gypsum Board: GB/T 9775-2008 AS/NZS 2588:1998 ASTM C1396/C1396 M Type X EN 520 Type I, F (DIN 18180/BS 1230 Part 1, Type 5) Advantage of Fire Resistant Gypsum Board: Provides greater fire resistance and sound insulation compared to that of a Regular gypsum plasterboards Light in weight and easy to install Thirdly, fire resistant plasterboard is convenient in interior walls and areas that require fire resistance. It is the most commonly used interior finish where fire resistance classifications are required. Gypsum Board Installation Drywall is normally installed by fastening it, using drywall screws, directly to wood or metal studs and joists located in the walls or ceilings of a structure. Durable Gypsum boards are used to construct strong and high quality walls and ceilings. The Board has an addition of Glass Fibers and other additives to increase the cohesive property and fire integrity performance Greater Fire Resistance, thermal and sound insulation compared to regular board Light Weight, Easy to Install, Sustainable Eco Friendly and Cost Effective Recommended for Wide Range of Decorative Finishes Suitable for Internal Construction, Partitions, Ceiling, Wall . The impact of gypsum dehydration in CFD simulations is investigated using 3 models. Gypsum Board is an Effective Fire Barrier Gypsum board is an excellent fire-resistivity building material. Product Information FireShield is recommended for partition wall and ceiling systems where specific fire-resistance ratings are required. 1. Gypsum is approximately 21% chemically combined water, which greatly contributes to its effectiveness as a fire-resistive barrier. To review a collection of these system assemblies that meet a wide range of design requirements, refer to GA-600 Fire Resistance and Sound Control Design Manual. The commercial development and use of gypsum board for walls and ceilings dates back to the 1920s, with major expansion of available systems and use during . The secret is in crystallized water equivalent to about 21% of its weight. Specifications Physical Properties Dimensions 4 ft x 8 ft Thickness 13mm and 16mm Edge Profile Recessed Paper Surface Color Pink The fire resistance class of the material is determined by the fire resistance limit. NFPA 90A dates back to 1899 with periodic revisions (most recently in 1981) to update the standard. This crystallized water is very stable in normal condition and does not disperse, but once it comes in contact with the heat of fire it will cause thermal decomposition and start to evaporate. The Gypsum Association's "GA-600 Fire Resistance and Sound Control Design Manual" states that the amount of water in gypsum is about 21% by weight. Various factors will contribute to the overall fire resistance performance of a partition system in this test, such as: Partition height Board type, thickness and number of layers Staggered board joints Stud type, width and gauge Stud centres Screw fixing type, length and fixing centres Insulation type and thickness Jointing / plastering gypsum board does not meet the re-quirements of NFPA 90A1, to which their codes subscribe. ClassicRoc gypsum wallboard is the preferred product in the industry due to its consistently high quality standards. pdf - W-L-7180 1 of 1 1-800-328-1687 This material was extracted and drawn by 3M Fire Protection Products from the 2009 edition of the UL Fire Resistance Directory. % calcium sulfate dihydrate derived from hemihydrate or anhydrous gypsum, and at least about 7 wt . In such situations, a gypsum board "membrane," usually constructed with multiple layers of type-X gypsum board, can provide all the required fire resistance. If the wall variety is considered in more detail, the fire resistance limit is 20 minutes. Provides a lightweight option where fire and acoustic performance is required. FireBloc gypsum board encased with a specially designed compressed pink paper consisting of special fiber components that enhances its strength. It consists of different layers of gypsum sandwiched between different sheets of paper. This water retards heat transfer through the material and, more importantly, through an assembly until it is driven off as a vapor at elevated temperatures. Fire-Resistant Gypsum Panels are classified for use in UL assemblies that can deliver fire ratings up to 3 hours in ceilings and as long as 4 hours in wall and column systems. About 2 billion m2 (25 billion ft2) of gypsum board is manufactured annually1 using about 23 million tonnes (25 million tons) of crude and synthetic gypsum2 . Used in single or multiple layers, this board offers a fast, simple and effective solution for drylining new and existing backgrounds in a wide range of buildings and applications. Due to the non-combustible core and paper facers of gypsum board are more prevalent where fire resistance is required. The XP line includes Fire Shield, Hi-Abuse, Hi-Impact, Soundbreak. . Description Gyproc Wallboard 12.5mm helps keep rooms safe, comfortable and attractive. Fiberboards are provided containing at least about 65 wt. Cardboard in the process of production is impregnated with . Gypsum board is easily finished using either a few hand tools or relatively modest machines. The wallboard panels consist of a fire-resistant gypsum core that is encased in 100% recycled natural-finish paper on the face side and sturdy liner paper on the back side. . The boards are capable of being formed into structural members having superior mechanical properties and/or fire resistance, including screw-holding capacities in excess of 650 lbs. When gypsum drywall is exposed to fire, the water is slowly released as steam, effectively retarding heat transmission. Gypsum board installers can quickly learn most application techniques in a few hours. For speed of installation, GridMarX guide . It must either be continuous Set up through the drywall system . Consult applicable Also, due to logistic advantages, exterior gypsum board is highly recommended. With some exceptions, making a penetration in a gypsum board ceiling when it is not used to maintain a fire-resistance rating poses few problems. Knauf Fire Resistant Gypsum Boards (FR) are gypsum plasterboard specially designed to offer superior fire resistance performance when used in drywall partitions, shaft walls, ceilings and lining systems. The Gypsum Association explains building code and other requirements. Its noncombustible core contains nearly 21% chemically combined water, as described earlier, which, under high heat, is slowly released as steam. Refer to GA-600 Fire Resistance and Sound Control Design Manual. However, in the last decade, Chinese drywall has been . Likewise, this panel proposes sizes in 1200 mm width and length from 2000 to 3600 mm. Characteristics Of The Fire Resistant Gypsum Board High resistance against fire 120 minutes of fire resistance certified Convenient for hotels, schools, hospitals Stronger and more flexible thanks to fiber reinforcement High impact resistance Thickness in 12.5 and 15mm Less transportation cost Easy and clean application Time saving Smooth surface When gypsum drywall is exposed to fire, the water is slowly released as steam, effectively slowing heat transmission. Type X Gypsum Board for fire-resistance-rated building systems; Fiber Reinforced Gypsum Panels for interior and exterior walls, ceilings, and tile base . Therefore, the board releases steam when exposed to high heat as the temperature rises. The face paper is folded around the long edges to . 24 results Filter By Gypsum is strong against fire. When taken in combination the collateral dead loads are on the order of 9 psf + 11 psf = 20 psf. 5/8" Type X . 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